Warning: Permanently added '10.128.0.215' (ECDSA) to the list of known hosts. [* ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ *] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ 19.943504][ T22] audit: type=1400 audit(1608760288.870:8): avc: denied { execmem } for pid=360 comm="syz-executor716" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 19.970513][ T362] incfs: Can't find or create .incomplete dir in ./file2 [ 19.982388][ T362] BUG: Dentry 00000000f33abddc{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 19.992614][ T362] ------------[ cut here ]------------ [ 19.998097][ T362] WARNING: CPU: 1 PID: 362 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 20.006386][ T362] Kernel panic - not syncing: panic_on_warn set ... [ 20.012946][ T362] CPU: 1 PID: 362 Comm: syz-executor716 Not tainted 5.4.85-syzkaller-00188-g8657d5d6282f #0 [ 20.023057][ T362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.033077][ T362] Call Trace: [ 20.036381][ T362] dump_stack+0x1dd/0x24e [ 20.040677][ T362] ? devkmsg_release+0x11c/0x11c [ 20.045579][ T362] ? show_regs_print_info+0x12/0x12 [ 20.050744][ T362] ? vprintk_store+0x690/0x690 [ 20.055472][ T362] ? console_trylock+0x166/0x1c0 [ 20.060375][ T362] ? umount_check+0xc0/0x1c0 [ 20.064929][ T362] ? umount_check+0xc0/0x1c0 [ 20.069490][ T362] panic+0x285/0x750 [ 20.073354][ T362] ? __warn+0xfa/0x200 [ 20.077390][ T362] ? nmi_panic+0x90/0x90 [ 20.081641][ T362] ? devkmsg_release+0x11c/0x11c [ 20.086553][ T362] ? is_valid_bugaddr+0xa0/0x150 [ 20.091457][ T362] ? umount_check+0x179/0x1c0 [ 20.096100][ T362] __warn+0x1fd/0x200 [ 20.100087][ T362] ? umount_check+0x179/0x1c0 [ 20.104818][ T362] report_bug+0x390/0x4d0 [ 20.109114][ T362] ? umount_check+0x179/0x1c0 [ 20.113777][ T362] do_invalid_op+0x6e/0x110 [ 20.118248][ T362] invalid_op+0x1e/0x30 [ 20.122371][ T362] RIP: 0010:umount_check+0x179/0x1c0 [ 20.127623][ T362] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 63 3e 1d 85 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 27 54 b0 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff [ 20.147392][ T362] RSP: 0018:ffff8881e8447a40 EFLAGS: 00010292 [ 20.153431][ T362] RAX: 0000000000000059 RBX: ffffffff8548cd30 RCX: d4900fdacb185100 [ 20.161386][ T362] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 20.169334][ T362] RBP: ffff8881e8de9420 R08: ffffffff814e3421 R09: ffffed103ee25e08 [ 20.177274][ T362] R10: ffffed103ee25e08 R11: 0000000000000000 R12: dffffc0000000000 [ 20.185214][ T362] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efdf5880 [ 20.193196][ T362] ? vprintk_emit+0x3b1/0x500 [ 20.197844][ T362] d_walk+0x2e9/0x570 [ 20.201826][ T362] ? __d_free+0x20/0x20 [ 20.205984][ T362] shrink_dcache_for_umount+0x8a/0x1b0 [ 20.211409][ T362] generic_shutdown_super+0x63/0x2a0 [ 20.216659][ T362] kill_block_super+0x79/0xd0 [ 20.221303][ T362] deactivate_locked_super+0xaf/0x100 [ 20.226651][ T362] deactivate_super+0x1b8/0x280 [ 20.231472][ T362] ? deactivate_locked_super+0x100/0x100 [ 20.237090][ T362] ? dput+0x4ed/0x5e0 [ 20.237098][ T362] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 20.2[ *37110][ T362] *[ ? find_next_0;31m*] A stbit+0art job is runnixd8/0x120 ng for dev-ttyS0.device (13s / 1min 30s)[ 20.259837][ T362] cleanup_mnt+0x432/0x4e0 [ 20.264228][ T362] task_work_run+0x176/0x1a0 [ 20.268786][ T362] do_exit+0xcc2/0x2830 [ 20.272911][ T362] ? mm_update_next_owner+0x5d0/0x5d0 [ 20.278274][ T362] ? __up_read+0x6f/0x1b0 [ 20.282571][ T362] ? kfree+0x12c/0x660 [ 20.286608][ T362] ? check_preemption_disabled+0x15a/0x330 [ 20.292389][ T362] ? debug_smp_processor_id+0x20/0x20 [ 20.297744][ T362] do_group_exit+0x155/0x2b0 [ 20.302305][ T362] __do_sys_exit_group+0x13/0x20 [ 20.307209][ T362] __se_sys_exit_group+0x10/0x10 [ 20.312159][ T362] __x64_sys_exit_group+0x37/0x40 [ 20.317154][ T362] do_syscall_64+0xcb/0x150 [ 20.321628][ T362] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.327496][ T362] RIP: 0033:0x443748 [ 20.331368][ T362] Code: Bad RIP value. [ 20.335440][ T362] RSP: 002b:00007ffc123c0688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.343928][ T362] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000443748 [ 20.351869][ T362] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 [ 20.359809][ T362] RBP: 00000000004c3c70 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 20.367886][ T362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 20.375828][ T362] R13: 00000000006d6180 R14: 0000000000000000 R15: 0000000000000000 [ 20.384316][ T362] Kernel Offset: disabled [ 20.388618][ T362] Rebooting in 86400 seconds..